Q. During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning prevented by :
A) Cytochrome
B) Leghaemoglobin
C) Xanthophyll
D) Carotene
Explanation
[Solution] Leghaemoglobin in root nodules acts as an oxygen scavenger, protecting nitrogenase. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.